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Updated: Jul 28, 2025

Visual Detection of Multiple Nucleic Acids in a Capillary Array
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对于Capripoxvirus (CaPV) 差异化的多个精确和敏感的阵列.

Gaihua Cao1, Yifan Xiong1, Meimei Shi2

  • 1Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China.

Analytica chimica acta
|May 31, 2023
PubMed
概括

一个新的CRISPR/Cas12a阵列与多重重组合聚合酶放大 (M-RPA) 结合,可以准确区分Capripoxvirus (CaPV) 菌株. 这种方法为牲畜疾病控制提供了灵敏,便携式检测.

关键词:
这就是CRISPR/Cas12a.羊病毒 (GTPV) 病毒块性皮肤病病毒 (LSDV)多重重组合酶聚合酶放大 (M-RPA) 的方法实时定量PCR (qPCR) 是一种实时定量PCR.绵羊水病毒 (SPPV) 病毒

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科学领域:

  • 分子生物学分子生物学
  • 兽医病毒学 兽医病毒学
  • 生物技术是生物技术.

背景情况:

  • 卡普里波克病毒 (CaPV) 在畜牧业和乳制品行业造成重大经济损失.
  • 由于97%的遗传同样性,区分这三种CaPV类型具有挑战性.
  • 准确的区分对于有效的疫情控制和疾病管理至关重要.

研究的目的:

  • 开发一种灵敏而准确的方法来区分Capripoxvirus (CaPV) 菌株.
  • 建立一个快速的,点的护理诊断工具,用于CaPV检测.
  • 解决 CaPV差异化定量PCR (qPCR) 的技术差距.

主要方法:

  • 开发一个集成多重重组合聚合酶放大 (M-RPA) 的CRISPR/Cas12a阵列.
  • 针对VARV B22R和RPO30基因进行特定的CaPV分化.
  • 用于视觉检测的侧向流水管 (LFD) 阵列的构建.
  • 开发实时定量PCR (qPCR) 阵列用于定量分析.

主要成果:

  • 在CRISPR/Cas12a-M-RPA试验中,三种CAPV类型的检测极限低至50,40和60个副本.
  • 该LFD阵列提供了便携式和直观的检测,适合于点的护理应用.
  • 一个qPCR阵列成功构建,以补充现有的诊断能力.

结论:

  • 开发的CRISPR/Cas12a阵列和LFD阵列为Capripoxvirus差异化提供了实用和有效的解决方案.
  • 这项技术增强了用于畜牧疾病监测和控制的诊断能力.
  • 该研究为隔离部门和兽医诊断提供了有价值的工具.